{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "RNA", "cell line", "DNA", "protein"], "input": "Preparation and analysis of bone marrow cells from the chimeric mice indicated that the bone marrow is the effective site for specific depletion of the B-cell population ."}
{"cell type": ["bone marrow cells", "B-cell population"], "RNA": [], "cell line": [], "DNA": [], "protein": []}